Iran’s move to suspend cooperation with the 2015 nuclear deal threatens to further escalate already high tensions between Washington and Tehran.

Pakistan’s military is set to again play kingmaker in elections that will determine how the nuclear-armed country grapples with an economic crisis, political upheaval aggravated by the arrest of Imra…

Warming relations between the two pariah states could foster a mutually beneficial weapons and technology trade and raise tensions on the Korean Peninsula.

Climate change is fueling geopolitical competition in the Arctic. An independent Greenland could play an important role in years to come.

Scientists say governments need to act with more urgency to keep global warming in check. How much progress is possible at COP28?

The military campaign has resulted in a humanitarian crisis and fears of regional instability. A path forward will require international cooperation, careful diplomacy, and an inclusive political pro…